Statistic Data

The power is expected to identify the effect. If one exists, H0 will be rejected.effect size - the change the test is expected to identifystandardized effect size - the change divided by the standard deviation

μ0:

Expected difference, usually zero

Enter raw data directlyEnter raw data from excel

Enter sample data

Header: You may change groups' name to the real names.Data: When entering data, press Enter after each value.The number of observations must be identical in both groups. (difference = right - left)

Empty cells or non numeric cells won't be counted

Enter sample data

You may copy data from Excel, Google sheets or any tool that separate data with Tab and Line Feed.Copy the data, one block of 3 consecutive columns includes the header, and paste below.

It is okay to leave empty cells, empty cells or non numeric cells won't be counted